package com.cqc.jdk8.Jlang;

import org.junit.Test;

public class CharacterTest {

    /**
     * 大小写转换
     */
    @Test
    public void f1() {
        //a > A
        char a = Character.toUpperCase('a');
        System.out.println(a);
        //A > a
        char a2 = Character.toLowerCase(a);
        System.out.println(a2);
    }
}
